Year Number of
1800 1208
1801 1208
1802 1208
1803 1208
1804 1208
1805 1208
1806 1208
1807 1208
1808 1208
1809 1208
1810 1208
1811 1209
1812 1211
1813 1214
1814 1218
1815 1224
1816 1230
1817 1238
1818 1247
1819 1257
1820 1268
1821 1280
1822 1294
1823 1310
1824 1326
1825 1344
1826 1363
1827 1383
1828 1405
1829 1429
1830 1453
1831 1480
1832 1507
1833 1534
1834 1561
1835 1590
1836 1618
1837 1647
1838 1677
1839 1708
1840 1739
1841 1770
1842 1801
1843 1832
1844 1863
1845 1894
1846 1926
1847 1957
1848 1989
1849 2020
1850 2052
1851 2083
1852 2115
1853 2147
1854 2178
1855 2210
1856 2242
1857 2273
1858 2305
1859 2337
1860 2368
1861 2400
1862 2432
1863 2465
1864 2498
1865 2531
1866 2565
1867 2599
1868 2634
1869 2670
1870 2705
1871 2742
1872 2778
1873 2814
1874 2852
1875 2890
1876 2929
1877 2967
1878 3007
1879 3048
1880 3089
1881 3129
1882 3171
1883 3214
1884 3255
1885 3299
1886 3344
1887 3388
1888 3433
1889 3479
1890 3527
1891 3574
1892 3622
1893 3671
1894 3721
1895 3770
1896 3824
1897 3881
1898 3942
1899 4006
1900 4318
1901 4408
1902 4494
1903 4577
1904 4663
1905 4755
1906 4847
1907 4933
1908 5074
1909 5220
1910 5369
1911 5522
1912 5680
1913 5715
1914 5795
1915 5926
1916 6020
1917 6108
1918 6446
1919 6801
1920 7069
1921 7241
1922 7308
1923 7240
1924 7172
1925 7103
1926 7041
1927 6978
1928 6893
1929 6836
1930 7047
1931 7138
1932 7243
1933 7314
1934 7400
1935 7452
1936 7521
1937 7555
1938 7607
1939 7624
1940 7661
1941 7265
1942 6884
1943 6519
1944 6170
1945 5835
1946 5515
1947 5210
1948 4919
1949 4642
1950 4379
1951 4050
1952 4055
1953 4067
1954 4078
1955 4095
1956 4112
1957 4122
1958 4133
1959 4138
1960 4142
1961 4139
1962 4122
1963 4099
1964 4078
1965 4057
1966 4025
1967 3981
1968 3923
1969 3855
1970 3763
1971 3656
1972 3539
1973 3420
1974 3293
1975 3180
1976 3071
1977 2960
1978 2861
1979 2762
1980 2675
1981 2587
1982 2504
1983 2424
1984 2346
1985 2274
1986 2215
1987 2156
1988 2102
1989 2057
1990 2005
1991 1958
1992 1911
1993 1876
1994 1848
1995 1847
1996 1853
1997 1878
1998 1899
1999 1901
2000 1883
2001 1834
2002 1766
2003 1683
2004 1616
2005 1567
2006 1539
2007 1528
2008 1517
2009 1516
2010 1489
2011 1456
2012 1421
2013 1371
2014 1327
2015 1277